A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 23
    • DTC 24
    • DTC 25
    • DTC 31
    • DTC 32
    • DTC 33
    • DTC 34
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 52
    • DTC 55
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 No Service Engine Soon Light
      • Chart A-2 No ALDL or Code 12 SES Light on Steady
      • Chart A-3 Engine Cranks But Will Not Run
        • Part 1 of 3
        • Part 2 of 3
        • Part 3 of 3
      • Chart A-5 Engine Cranks But Won't Start (Fuel System)
      • Chart A-7 Fuel System Diagnosis
        • Part 1 of 2
        • Part 2 of 2
    • C Charts
      • Chart C-1A Park/Neutral Switch Diagnosis
      • Chart C-2A Injector Balance Test
      • Chart C-2B Idle Air Control (IAC) Valve Check
      • Chart C-3 Evaporative Emission Control System
      • Chart C-4A Ignition Misfire at Idle
      • Chart C-4B Ignition Misfire Under Load
      • Chart C-5 Electronic Spark Control (ESC) Check
      • Chart C-7 EGR System Check
      • Chart C-8 Torque Converter Clutch (TCC) Diagnosis
      • Chart C-10 A/C Clutch Control
      • Chart C-12A Coolant Fan Control Circuit
        • Part 1 of 3
        • Part 2 of 3
        • Part 3 of 3